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author | Holger Brunck <holger.brunck@keymile.com> | 2012-07-20 02:34:24 +0000 |
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committer | Prafulla Wadaskar <prafulla@marvell.com> | 2012-10-03 16:43:13 +0530 |
commit | cf37c5d98bb2e23fbcbca8a0328ca7dd43d6af8c (patch) | |
tree | d76a0d04841d2943e867d05b5115c42b1dbbbb35 /arch/arm/cpu | |
parent | 9b914727ce5c9016ad93d4bcdaef48be761a4cef (diff) | |
download | u-boot-imx-cf37c5d98bb2e23fbcbca8a0328ca7dd43d6af8c.zip u-boot-imx-cf37c5d98bb2e23fbcbca8a0328ca7dd43d6af8c.tar.gz u-boot-imx-cf37c5d98bb2e23fbcbca8a0328ca7dd43d6af8c.tar.bz2 |
kirkwood: use c-struct for access to SDRAM addr decode registers
Remove the defines and do this with a C-struct.
Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Gerlando Falauto <gerlando.falauto@keymile.com>
cc: Marek Vasut <marex@denx.de>
Acked-By: Prafulla Wadaskar <Prafulla@marvell.com>
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r-- | arch/arm/cpu/arm926ejs/kirkwood/dram.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/arch/arm/cpu/arm926ejs/kirkwood/dram.c b/arch/arm/cpu/arm926ejs/kirkwood/dram.c index 181b3e7..1c5faab 100644 --- a/arch/arm/cpu/arm926ejs/kirkwood/dram.c +++ b/arch/arm/cpu/arm926ejs/kirkwood/dram.c @@ -30,20 +30,29 @@ DECLARE_GLOBAL_DATA_PTR; -#define KW_REG_CPUCS_WIN_BAR(x) (KW_REGISTER(0x1500) + (x * 0x08)) -#define KW_REG_CPUCS_WIN_SZ(x) (KW_REGISTER(0x1504) + (x * 0x08)) +struct kw_sdram_bank { + u32 win_bar; + u32 win_sz; +}; + +struct kw_sdram_addr_dec { + struct kw_sdram_bank sdram_bank[4]; +}; + /* * kw_sdram_bar - reads SDRAM Base Address Register */ u32 kw_sdram_bar(enum memory_bank bank) { + struct kw_sdram_addr_dec *base = + (struct kw_sdram_addr_dec *)KW_REGISTER(0x1500); u32 result = 0; - u32 enable = 0x01 & readl(KW_REG_CPUCS_WIN_SZ(bank)); + u32 enable = 0x01 & readl(&base->sdram_bank[bank].win_sz); if ((!enable) || (bank > BANK3)) return 0; - result = readl(KW_REG_CPUCS_WIN_BAR(bank)); + result = readl(&base->sdram_bank[bank].win_bar); return result; } @@ -52,12 +61,14 @@ u32 kw_sdram_bar(enum memory_bank bank) */ u32 kw_sdram_bs(enum memory_bank bank) { + struct kw_sdram_addr_dec *base = + (struct kw_sdram_addr_dec *)KW_REGISTER(0x1500); u32 result = 0; - u32 enable = 0x01 & readl(KW_REG_CPUCS_WIN_SZ(bank)); + u32 enable = 0x01 & readl(&base->sdram_bank[bank].win_sz); if ((!enable) || (bank > BANK3)) return 0; - result = 0xff000000 & readl(KW_REG_CPUCS_WIN_SZ(bank)); + result = 0xff000000 & readl(&base->sdram_bank[bank].win_sz); result += 0x01000000; return result; } |